Strong, impressive sterling silver and carved obsidian pendant suspended from heavy original sterling silver chain designed and signed circa 1950 by American and Taxco, Mexico artist William Spratling(1900-67). Pendant measures 3" long X 2" wide is in beautiful condition. The volcanic obsidian stone magically reflects it's deep colors and grain as it moves. Pendant signed on the back script WS 925. This hallmark was used after Spratling's Alaskan period for only a year. The chain measures 18" long. The original period clasp is tight and secure and works perfectly. Pendant featured on p. 42 of the museum catalog WILLIAM SPRATLING AND THE MEXICAN SILVER RENAISSANCE by Penny Morrill. Rare and important design seldom available on the market.